Write n in decimal, omit 0's, replace the k-th digit d[k] with the k-th prime, raised to d[k]-th power and multiply.

A061509

Write n in decimal, omit 0's, replace the k-th digit d[k] with the k-th prime, raised to d[k]-th power and multiply.

Terms

    a(0) =1a(1) =2a(2) =4a(3) =8a(4) =16a(5) =32a(6) =64a(7) =128a(8) =256a(9) =512a(10) =2a(11) =6a(12) =18a(13) =54a(14) =162a(15) =486a(16) =1458a(17) =4374a(18) =13122a(19) =39366a(20) =4a(21) =12a(22) =36a(23) =108a(24) =324a(25) =972a(26) =2916a(27) =8748a(28) =26244a(29) =78732

External references